PT-2023-1121 · Adobe · Acrobat Reader

Published

2023-01-10

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Updated

2023-01-26

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CVE-2023-21605

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Adobe Acrobat Reader versions 22.003.20282 and earlier Adobe Acrobat Reader versions 22.003.20281 and earlier Adobe Acrobat Reader versions 20.005.30418 and earlier
Description A Heap-based Buffer Overflow issue could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, where a victim must open a malicious file. The vulnerability is related to font parsing and is a heap-based buffer overflow that allows attackers to execute arbitrary code.
Recommendations For Adobe Acrobat Reader versions 22.003.20282 and earlier, update to a version later than 22.003.20282 to resolve the issue. For Adobe Acrobat Reader versions 22.003.20281 and earlier, update to a version later than 22.003.20281 to resolve the issue. For Adobe Acrobat Reader versions 20.005.30418 and earlier, update to a version later than 20.005.30418 to resolve the issue. As a temporary workaround, consider avoiding the opening of suspicious or untrusted PDF files until a patch is available.

Fix

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

BDU:2023-00321
CVE-2023-21605
ZDI-23-060

Affected Products

Acrobat Reader